READ ME File For 'Dataset supporting the publication "Effects of surface roughness on the propulsive performance of pitching foils"' Dataset DOI: https://doi.org/10.5258/SOTON/D2943 Date that the file was created: 2024 ------------------- GENERAL INFORMATION ------------------- ReadMe Author: Rodrigo Vilumbrales-Garcia, University of Southampton -------------------------- SHARING/ACCESS INFORMATION -------------------------- Licenses/restrictions placed on the data, or limitations of reuse: CC-BY Recommended citation for the data: Please use the above doi This dataset supports the publication: AUTHORS: R. Vilumbrales-Garcia, M. Kurt, G. Weymouth, B. Ganapathisubramani TITLE: Effects of surface roughness on the propulsive performance of pitching foils JOURNAL: JFM PAPER DOI IF KNOWN: 10.1017/jfm.2023.1009 -------------------- DATA & FILE OVERVIEW -------------------- This dataset contains the following files that relate to each of the figures within the paper described above: Fig2: Figure_2_A: Instantaneous z-vorticity for a smooth foil at Re=28, 000 at t/T=0.15 Figure_2_B: Instantaneous z-vorticity for a 36% rough foil at Re=28, 000 at t/T=0.15 Figure_2_C: Instantaneous z-vorticity for a 70% rough foil at Re=28, 000 at t/T=0.15 Figure_2_D: Instantaneous z-vorticity for a smooth foil at Re=28, 000 at t/T=0.50 Figure_2_E: Instantaneous z-vorticity for a 36% rough foil at Re=28, 000 at t/T=0.50 Figure_2_F: Instantaneous z-vorticity for a 70% rough foil at Re=28, 000 at t/T=0.50 Figure_2_G: Instantaneousd thrust coefficients and error for all foils during one pitching cycle. Figure_2_H: Instantaneous power coefficients and error for all foils during one pitching cycle. Figure_2_foil: Airfoil coordinates at t/T=0.15 and t/T=0.5 Fig3: Figure_3_A: PSD analysis for all foils at Re=28, 000 Figure_3_B: Dominant frequency over motion frequency for all foils and all Reynolds considered (Re=17000-33000) Fig4: Figure_4_A_1: Cycle-averaged thrust coefficients and standard error for all foils. Figure_4_B_1: Cycle-averaged power coefficients and standard error for all foils. Figure_4_B_2: Cycle-averaged efficiency and standard error for all foils. Data from references has been extracted from: Senturk, U., Smits, A.J.: Reynolds number scaling of the propulsive performance of a pitching airfoil. Aiaa Journal 57(7), 2663–2669 (2019) Mackowski, A., Williamson, C.: Effect of pivot location and passive heave on propulsion from a pitching airfoil. Physical Review Fluids 2(1), 013101 (2017) Fernandez-Feria, R., Sanmiguel-Rojas, E.: Effect of the pivot point location on the propulsive performance of a pitching foil. Journal of Fluids and Structures 97, 103089 (2020) Fig5: Figure_5: Drag coefficients for a smooth foil at 0 AoA and standard error for Re=17,000 - 33, 000. Fig6: Figure_6_A: Drag coefficients for a static foil at several AoA and Re= 28, 000 Figure_6_B: Penalty parameters for static and unsteady cases at Re=17,000 - 33, 000. Fig7: Figure_7_A: Cycled-averaged vorticity for a pitching smooth foil at Re=28, 000 Figure_7_B: Cycled-averaged vorticity for a pitching 36% rough foil at Re=28, 000 Figure_7_C: Cycled-averaged vorticity for a pitching 70% rough foil at Re=28, 000 Figure_7_E: Instantaneous vorticity for a pitching smooth foil at Re=28, 000 Figure_7_F: Instantaneous vorticity for a pitching 36% rough foil at Re=28, 000 Figure_7_G: Instantaneous vorticity for a pitching 70% rough foil at Re=28, 000 Figure_7_I: Instantaneous vorticity for a static smooth foil at Re=28, 000 Figure_7_J: Instantaneous vorticity for a static 36% rough foil at Re=28, 000 Figure_7_K: Instantaneous vorticity for a static 70% rough foil at Re=28, 000 Figure_7_y_foil_x_unsteady: Airfoil x coordinates for unsteady cases Figure_7_y_foil_y_unsteady: Airfoil y coordinates for unsteady cases Figure_7_y_foil_x_steady: Airfoil x coordinates for steady cases Figure_7_y_foil_y_steady: Airfoil y coordinates for steady cases